Re: [libreoffice-design] Chart Colors

On 05/28/2017 11:01 AM, Heiko Tietze wrote:

> as the chart colors are hard-coded. 

Going by
http://opengrok.libreoffice.org/xref/core/officecfg/registry/schema/org/openoffice/Office/Chart.xcs#30
it looks that users don't have the ability to change them.
if so, that is unacceptable.

In some industries, there are standard colour schemes for charts, and
changing them will result in "bad interpretations".

Corporate branding requirements include taboo colours. Colours that may
not be used under any circumstances.

By way of example, one of the universities in the United States
prohibits black to be used in any content produced and distributed by
it. This prohibitions extends to the student newspaper, academic thesis
presented as part of the requirements of a degree, college advertising
(^1), and presentations given by students, staff, faculty, and others,
at conferences, conventions, and the like, if the name of the University
is included as part of the identifier on the presenter. The official
university colour palette has a shade named "dark text", which is to be
used as a replacement for black.

A different university has the colour "light text" in its official
branding palette, to be used instead of white.

Somebody else can go into the cultural, ethnic, and national taboos
regarding colour.

> The only advantage of the chart palette today is that users can find the color directly (after 
> switching to it).

With a user selectible palette, the user can have a 12 colour palette
just for use with charts. One that works with the corporate branding
palette of 4 colours.

To me, it seems simpler to use the same mechanism for selecting chart
colours, as for the other places where users have that option.


^1: Even though the exclusive use of four-colour advertising wrecks
havoc on the budget, doing so drives home the point that the official
branding palette is used everywhere a message is presented for, by, or
on behalf of the university.

jonathon

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